Home / 901,037.54-1,243,435.09-487,574.32

Finding the Fourth Proportional to 901,037.54, 1,243,435.09 and 487,574.32

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Solution

The fourth proportional to 901,037.54, 1,243,435.09 and 487,574.32 is: 672,854.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,037.54 : 1,243,435.09 = 487,574.32 : x
  2. Step 2: Convert to fraction form
    901,037.54/1,243,435.09 = 487,574.32/x
  3. Step 3: Cross multiply
    901,037.54x = 1,243,435.09 × 487,574.32
  4. Step 4: Simplify right side
    901,037.54x = 606,267,018,470.89
  5. Step 5: Solve for x
    x = 606,267,018,470.89/901,037.54
  6. Step 6: Final answer
    x = 672,854.34

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.